At low pressure, the Vander Waal's equation is reduced to

1.	At low pressure, the Vander Waal's equation is reduced to
A.	\[Z=\frac{p{{V}_{m}}}{RT}=1-\frac{ap}{RT}\]
B.	\[Z=\frac{p{{V}_{m}}}{RT}=1+\frac{b}{RT}p\]
C.	\[p{{V}_{m}}=RT\]
D.	\[Z=\frac{p{{V}_{m}}}{RT}=1-\frac{a}{RT}\]
Answer» B. \[Z=\frac{p{{V}_{m}}}{RT}=1+\frac{b}{RT}p\]

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At low pressure, the Vander Waal's equation is reduced to

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